Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22C—FOUNDRY MOULDING
  • B22C9/00—Moulds or cores; Moulding processes
  • B22C9/02—Sand moulds or like moulds for shaped castings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22C—FOUNDRY MOULDING
  • B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
  • B22C11/02—Machines in which the moulds are moved during a cycle of successive operations
  • B22C11/08—Machines in which the moulds are moved during a cycle of successive operations by non-rotary conveying means, e.g. by travelling platforms
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22C—FOUNDRY MOULDING
  • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
  • B22C15/23—Compacting by gas pressure or vacuum
  • B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
  • B22C15/245—Blowing tubes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22C—FOUNDRY MOULDING
  • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
  • B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
  • B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22C—FOUNDRY MOULDING
  • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
  • B22C5/12—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks

Definitions

• the present invention relates to a method for filling a mold cavity with a foam mixture and a vertical molding apparatus.
• the present invention relates to an apparatus for carrying out molding of a saddle shape.
• the applicant of the present invention press-fits a mixture obtained by stirring particulate aggregate, a water-soluble binder and water into a heated mold cavity.
• a vertical molding apparatus for forming a vertical mold by filling with a bottom plate, closing a lower end opening of a hollow rectangular parallelepiped having a rectangular parallelepiped and having a hollow penetrating vertically with a bottom plate, and injecting the mixture onto the bottom plate
• a mixture storage means having a function as a stirring tank for stirring the particulate aggregate, the water-soluble binder, and water, and a function as a press-fitting cylinder for storing the mixture in order to press-fit the mixture, through an injection hole. Further, it is proposed to provide a plug means capable of closing the injection hole.
• Patent Literature l WO 2005/089984 A1 Publication
• the present invention has been made to solve the above-described problems, and an object of the present invention is to carry out a method for filling a mold cavity with a foam mixture without inducing a defect mold, and to implement this filling method.
• An object of the present invention is to provide an apparatus for forming a saddle type.
• the filling method of the foam mixture in the mold cavity according to claim 1 is a method in which the foam mixture obtained by stirring the particulate aggregate, the water-soluble binder and water
• the mold cavity is filled by press-fitting method, and the foamed mixture obtained by stirring the particulate aggregate, water-soluble binder and water is used as the horizontal mold mold cavity.
• the foamed mixture is provided with a stirring tank in which the particulate aggregate, the water-soluble binder, and water are stored and stirred, and the foamed mixture discharge port is formed in the side wall, and the foaming mixture in the stirring tank is pushed up.
• the discharge port of the injection means is connected to the injection port of the horizontal mold, the push-up mechanism is operated to raise the foam mixture of the foam mixture injection means, and the discharge loca is discharged to the injection port. And the inside of the cavity is filled with the foam mixture to fill the cavity.
• the foamed mixture obtained by stirring the particulate aggregate, the water-soluble binder, and water is used as a vertical mold or a horizontal mold.
• the cavity is filled by a press-fitting method, and an injection port communicating with the cavity is formed at a lower position of the mold part of the vertical split mold or a lower surface of the horizontal split mold.
• a bottomed cylindrical shape having an open top is provided, and the particulate aggregate, the water-soluble binder, and a stirring tank for storing and stirring the water and a push-up mechanism for pushing up the foamed mixture in the stirring tank are provided.
• the foaming mixture injection means of the present invention has a horizontal movement when its discharge port is connected to the injection port of the horizontal split mold, and an upper end opening portion of the vertical split mold. When connecting to the entrance, it is preferable to use horizontal movement and vertical movement.
• the horizontal split mold or the vertical split mold in the present invention is heated by an electric heater.
• claim 1 fills the foamed mixture obtained by stirring the particulate aggregate, the water-soluble binder, and water into the cavity of the horizontal split mold by the press-fitting method.
• an injection port communicating with the cavity is formed at a side position in a mold fitting portion of the horizontal split mold, and a bottomed cylindrical shape having an upper end is formed to form the particulate bone.
• the discharge port of the foaming mixture injection means equipped with a stirring tank containing a material, a water-soluble binder and water and stirring, and having a pushing-up mechanism for pushing up the foaming mixture in the stirring tank with a side wall penetrating the outlet of the foaming mixture.
• claim 2 is a method of filling a foamed mixture obtained by stirring particulate aggregate, a water-soluble binder and water into a cavity of a vertical split mold or a horizontal split mold by a press-fitting method.
• An injection port communicating with the cavity is formed at a lower position in the mold fitting portion of the vertical mold or on the lower surface of the horizontal mold, thereby forming a bottomed cylindrical shape having an upper end opened.
• the upper end opening of the foam mixture injection means provided with a stirring tank for storing and stirring the particulate aggregate, the water-soluble binder and water and a foaming mixture injecting means for pushing up the foam mixture in the stirring tank or the vertical split mold or
• the horizontal split mold is connected to the injection port, and the push-up mechanism is operated to raise the foam mixture of the foam mixture injection means and to inject the mixture into the cavity by the foam mixture. Since the inside of the cavity is filled while extruding air, it is possible to prevent the filling of the foamed mixture into the cavity beforehand. There is a special effect.
• the vertical mold making apparatus has a horizontal split mold 4 having a vertical extrusion mechanism 3 having an injection port 2 communicating with the cavity 1 at a left side position in a mold matching portion, and a horizontal split mold.
• a horizontal split mold opening / closing mechanism 5 that opens and closes the mold 4 and a bottomed cylindrical shape with an opening at the top end that contains particulate aggregate, a water-soluble binder, and water and is stirred.
• a stirring tank 7 having a foamed mixture outlet 6 penetrated in the upper part of the right side wall and a push-up mechanism 8 for pushing up the foamed mixture in the stirring tank 7 are provided, and the outlet 6 is connected to the horizontal mold 4 inlet.
• the foaming mixture injection means 9 configured to be connectable to 2 and the stirring for stirring the particulate aggregate, the water-soluble binder and water separately disposed and housed in the stirring tank 7 of the foaming mixture injection means 9
• Means 10 and a closing means 11 that can be separately provided to close the upper end opening of the stirring tank 7 of the foam mixture injection means 9, and the horizontal mold 4 is heated by an electric heater. I can do it!
• the horizontal split mold opening / closing mechanism 5 includes a base 13 with the lower mold 12 of the horizontal split mold 4 attached to the upper surface, and four guides erected at the four corners of the upper surface of the base 13.
• Rod 14 and 14 and ceiling frame 15 installed between the upper ends of guide rods 14 and 14, and the guide rods 14 and 14 are slidably mounted on the upper and lower sides of the horizontal split mold 4 on the lower surface.
• the installed lifting frame 17 and the downwardly-facing cylinder 18 attached to the center of the top surface of the ceiling frame 15 and having the lower end of the piston rod fixed to the center of the top surface of the lifting frame 17 are configured as described above.
• the upper mold 16 of the split mold 4 is moved up and down through the lifting frame 17 by the expansion and contraction operation of the cylinder 18.
• An upward cylinder 19 for pushing up the lower portion of the vertical pushing mechanism 3 is attached to the center of the base 13.
• the elevating frame 17 is provided with a pressing mechanism 21 for pressing the upper portion of the vertical pushing mechanism 3 through a plurality of compression coil
• the push-up mechanism 8 of the foamed mixture injection means 9 includes a raised bottom 23 that is slidably installed in the stirring tank 7, and is mounted upward on the bottom of the stirring tank 7, and is attached to the piston rod.
• the cylinder 24 has the raised bottom 23 fixed to the upper end.
• the foam mixture injection means 9 is arranged at the left side position of the horizontal split mold 4 so as to be movable in the right direction via a carriage 25.
• the carriage 25 includes a plurality of V-grooved wheels 26. ⁇ 26 is mounted on a pair of rails 27 extending in the left-right direction, and the pair of rails 27 is mounted on an auxiliary base 28 attached to the left side surface of the base 13.
• the tip of the piston rod of a lateral cylinder 30 mounted on the auxiliary base 28 is fixed to the left outer surface of the stirring tank 7 via a support member 29, and the foam mixture injection means 9 is a cylinder 30.
• the reciprocating movement of the lever causes it to reciprocate in the left and right directions!
• the stirring means 10 is provided above the foamed mixture injection means 9 via a support member 31 attached to the ceiling frame 15 of the horizontal split mold opening / closing mechanism 5, and the stirring blade 32 And a downward motor 33 that rotates the stirring blade 32 and a downward cylinder 34 that raises and lowers the motor 33.
• the closing means 11 is mounted on the lower surface of the ceiling frame 15 of the horizontal split mold opening / closing mechanism 5 and is provided above the foam mixture injection means 9, and includes a lid 35 and a lid 35. It consists of a downward cylinder 36 that moves up and down.
• a plug means 37 for closing the discharge port 6 of the stirring tank 7 is separately provided between the horizontal mold 4 and the foamed mixture injection means 9.
• the plug means 37 is composed of a plug body 38 made of a horizontal cylinder in which a piston rod can be inserted into and removed from the discharge port 6, and a horizontal cylinder 39 in which the plug body 38 is fixed to the tip of the piston rod. .
• the motor 33 is stopped and the cylinder 34 is contracted to return the stirring blade 32 to its original position.
• the cylinder 39 of the plug means 37 is contracted to retract the plug body 38 from between the horizontal mold 4 and the foam mixture injection means 9, and then Then, the cylinder 30 is extended to move the foaming mixture injection means 9 to the right, and the discharge port 6 of the stirring tank 7 is connected to the injection port 2 of the horizontal mold 4.
• the cylinder 36 is extended, the lid 35 is lowered, and the upper end opening of the stirring tank 7 is closed.
• the cylinder 24 of the push-up mechanism 8 is extended to raise the raised bottom 23, and the foamed mixture in the stirring tank 7 is pushed out from the discharge port 6 through the injection port 2 and into the cavity 1 in the horizontal split mold 4 inject.
• the foaming mixture injected into the cavity 1 is the air in the cavity 1 and the horizontal split mold 4 upper and lower molds 16 and 12 are joined together, and the upper and lower molds 16 and 12 and the vertical extruder.
• the inside of the cavity 1 will be filled while being discharged from the gap with the structure 3 extrusion pin.
• the cylinder 18 of the horizontal mold opening / closing mechanism 5 is contracted to separate the upper mold 16 from the lower mold 12 and raise it.
• the upper part of the vertical extrusion mechanism 3 is pushed down by the compression coil panel 20 ⁇ 20 of the push-down mechanism 21 to separate the solidified foamed mixture from the upper mold 16 and leave it in the lower mold 12, followed by the cylinder 19
• the desired vertical mold can be obtained by extending the lower part of the vertical extrusion mechanism 3 to lift the solidified foamed mixture from the lower mold 12 and elevating it.
• this vertical molding apparatus is a vertical split mold 54 in which an injection port 52 communicating with the cavity 51 is formed at a lower position in the mold matching portion and provided with a vertical extrusion mechanism 53. And a vertical split mold opening / closing mechanism 55 that opens and closes the vertical split mold 54, and a stirring tank 56 that has a bottomed cylindrical shape with an opening at the upper end and stores particulate aggregate, a water-soluble binder, and water for stirring.
• a foaming mixture injection means 58 provided with a push-up mechanism 57 for pushing up the foaming mixture in the stirring tank 56 and configured so that the upper end opening of the stirring tank 56 can be connected to the injection port 52 of the vertical mold 54.
• And forming means 60 in Yes constructed, before Symbol vertical split die 54 and summer to allow heated by the electric heater.
• the vertical split mold opening / closing mechanism 55 includes a U-shaped machine base 61 and a left side of the vertical split mold 54 mounted on the upper surface of the left side of the base 61.
• the right die 66 of the vertical split die 54 is attached to the movable die base by the expansion and contraction operation of the cylinder 68. It is designed to reciprocate in the left-right direction via the base 67.
• the fixed die base 63 is provided with a left pushing mechanism 70 for pushing the left portion of the vertical pushing mechanism 53 through a compression coil panel 69. Further, a horizontal cylinder 71 for pushing out the right portion of the vertical extrusion mechanism 53 is attached to the center of the movable die base 67.
• the push-up mechanism 57 of the foamed mixture injection means 58 includes a raised bottom 72 that is slidably installed in the stirring tank 56, and a bottom portion of the stirring tank 56. And a cylinder 73 with the raised bottom 72 fixed to the upper end of the piston rod.
• the foaming mixture injection means 58 is disposed below the vertical split die 54 so as to be movable in and out via a carriage 74.
• the carriage 74 has a plurality of V-grooved wheels 75 and 75 on the left and right sides.
• the pion 78 fitted on the output shaft of the motor 77 provided separately is fitted to the rack 79 mounted on the carriage 74 and travels on a pair of rails 76 extending in the direction. It moves by rotation.
• the pair of rails 76 are attached to an auxiliary stand 80 attached to the left side of the machine base 61.
• two special cylinders 81 and 81 are mounted on the front and rear sides of the upper surface of the carriage 74 via support members 82 and 82, respectively.
• Each special cylinder 81 has a structure in which the cylinder body reciprocates. Yes.
• the stirring means 59 is provided above the foamed mixture injection means 58 via a support member 83 attached to a fixed die base 63 of the vertical split mold opening / closing mechanism 55.
• the stirring blade 84, a downward motor 85 that rotates the stirring blade 84, and a downward cylinder 86 that moves the motor 85 up and down are configured.
• the connecting means 60 is mounted between a main body 88 having a communication hole 87 penetrating vertically and the cylinder main bodies of the two special cylinders 81 and 81, and the main body
• the support mechanism 90 is configured to support the 88 with coil springs 89 and 89 interposed therebetween.
• a cleaning means 91 for cleaning the through hole 87 of the main body 88 is provided above the connecting means 60 via a support member 92 attached to the fixed die base 63.
• the cleaning means 91 includes a downward cylinder 93 and a cleaning rod 94 fixed to the tip of the piston rod of the cylinder 93.
• the foaming mixture injecting means 58 and the connecting means 60 are pushed up directly below the foaming mixture injecting means 58 at a position directly below the vertical split mold 54 to connect means.
• An upward cylinder 95 for abutting 60 to the lower surface of the vertical split die 54 is provided.
• the motor 77 is driven forward so that the foam mixture injection means 58 is moved to a position below the vertical split mold 54 by the carriage 74 and the connecting means 60 is moved to the right, and then the special cylinders 81 and 81 are moved.
• the connecting means 60 is moved to a position where the through-hole 87 of its body 88 is just below the inlet 52 of the vertical mold 54.
• the cylinder 95 is extended to raise the foam mixture injection means 58 and the main body 88, and the upper end opening of the stirring tank 56 of the foam mixture injection means 58 is connected to the injection port 52 via the main body 88.
• the cylinder 73 of the lifting mechanism 57 is extended to raise the raised bottom 72, and the foamed mixture in the stirring tank 56 is pushed out from the upper end opening of the stirring tank 56 and from the inlet 52 of the vertical split mold 54. Inject into cavity 51.
• the foamed mixture injected into the cavity 51 causes the air in the cavity 51 to flow into the vertical fitting mold 54 where the left and right molds 62 and 66 meet, and the left and right molds 62 and 66 and the vertical extrusion mechanism 53.
• the cavity 51 is filled while being discharged from the gap with the extrusion pin. After the filling of the foamed mixture into the cavity 51 is completed, the cylinder 95 is contracted to lower the foamed mixture injecting means 58 and the main body 88. Subsequently, the motor 77 is driven in the reverse direction to drive the foamed mixture injecting means 58 by the carriage 74. And return the connecting means 60 to its original position.
• the cylinder 68 is contracted to separate the right mold 66 from the left mold 62, and the extrusion mechanism 7
• the left part of the vertical extrusion mechanism 53 is pushed out by the compression coil panel 69 and 69 of 0, and the solidified foam mixture is pushed out from the left mold 62 and left in the right mold 66.
• the cylinder 71 is extended to operate the vertical extrusion.
• a desired saddle shape can be obtained by extruding the right part of the mechanism 53 and separating the solidified foamed mixture from the right die 66.
• the vertical split mold 54 is used as the mold, but the same effect can be obtained with the horizontal split mold. That is, a vertical molding apparatus using a horizontal split mold has a vertical extrusion mechanism having a plurality of inlets 103 communicating with the cavity 102 on the lower surface of the lower mold 101 as shown in FIGS.
• the horizontal split mold 105 equipped with 104 and configured to be heatable, the horizontal split mold opening / closing mechanism 106 for opening and closing the horizontal split mold 105, and a bottomed cylindrical shape with an open upper end are formed into a particulate bone.
• Stirring tank 107 containing material, water-soluble binder and water and stirring, and a push-up mechanism 108 that pushes up the foam mixture in the stirring tank 107, and the upper end opening can be connected to the inlet 103 of the horizontal split mold 105
• connecting means 111 for connecting the end opening and the inlet 103 of the horizontal split die 105, in it is constituted.
• the horizontal split mold opening / closing mechanism 106 includes a base 112 with the lower mold 101 of the horizontal split mold 105 attached to the upper surface, and four guide rods erected at the four corners of the upper surface of the base 112. 113 ⁇ 11 3 and the ceiling frame 114 installed between the upper ends of the guide rods 113 ⁇ 113, and the guide rods 113 ⁇ 113 are slidably mounted on the upper and lower sides of the horizontal split mold 106 on the lower surface.
• the elevating frame 116 attached and a downward cylinder 117 attached to the center of the upper surface of the ceiling frame 114 and having the lower end of the piston port fixed to the center of the upper surface of the elevating frame 116,
• the upper mold 115 of the horizontal split mold 105 is moved up and down through the lifting frame 116 by the expansion and contraction operation of the cylinder 117.
• the base 112 is provided with a push-up mechanism 119 that pushes the lower portion of the vertical push-out mechanism 104 through a plurality of compression coil panels 118.
• a downward cylinder 120 that pushes down the upper portion of the vertical extrusion mechanism 104 is attached to the center of the lifting frame 116. It is.
• the foam mixture injection means 109 and the connecting means 111 are pushed up to a position directly below the horizontal split mold 105 below the foam mixture injection means 109 to connect the connecting means 111 to the horizontal split mold 105.
• An upward cylinder 121 that is in contact with the lower surface is provided.
• the foaming mixture injection means 109, the stirring means 110, and the connecting means 111 have the same configuration and function as the foaming mixture injection means 58, the stirring means 59, and the connecting means 60 described above. Description is omitted.
• the upper and lower molds 115 ⁇ 101 of the horizontal split mold 105 are heated to a required temperature in advance, and then the particulate aggregate, the water-soluble binder and water are added to the foam mixture injection means 109. Charge to stirring tank 107.
• the foamed mixture is generated by stirring the particulate aggregate, the water-soluble binder and water.
• the foamed mixture is injected.
• the means 109 and the connecting means 111 are moved to a position below the horizontal split mold 105, and then the connecting means 111 is moved directly below the horizontal split mold 105.
• the cylinder 121 is extended to connect the upper end opening of the stirring tank 107 of the foam mixture injection means 109 to the injection port 103 of the horizontal split mold 105 via the connection means 111, and then the foam mixture injection means 109
• the foam mixture is poured into the cavity 102 of the horizontal mold 105.
• the foam mixture injected into the cavity 102 causes the air in the cavity 102 to flow into the horizontal split mold 105 upper and lower molds 115 and 101, and the upper and lower molds 115 and 101 and the vertical extrusion mechanism 104.
• the cavity 102 is filled while being discharged from the gap with the extruding pin.
• the cylinder 121 is contracted to lower the foam mixture injection means 109 and the connection means 111, and then V, and the foam mixture injection means 109 and the connection means 111 are returned to their original positions.
• FIG. 1 is a partial cross-sectional front view showing an embodiment of a vertical molding apparatus for carrying out the method of claim 1.
• FIG. 2 is a view taken along arrows AA in FIG.
• FIG. 3 is a partial cross-sectional front view showing one embodiment of a vertical molding apparatus for carrying out the method of claim 2.
• FIG. 4 is a view taken along the line BB in FIG.
• FIG. 5 is a partial cross-sectional left side view of FIG.
• FIG. 6 is a partial cross-sectional view of FIG.
• FIG. 7 is a partially sectional front view showing another embodiment of a vertical molding apparatus for carrying out the method of claim 2.
• FIG. 8 is a partial cross-sectional view taken along the line DD in FIG.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Casting Or Compression Moulding Of Plastics Or The Like (AREA)
• Moulds For Moulding Plastics Or The Like (AREA)
• Casting Devices For Molds (AREA)
• Mold Materials And Core Materials (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
• Molds, Cores, And Manufacturing Methods Thereof (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

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Citations (2)

Family Cites Families (5)

• 2005
  • 2005-12-14 JP JP2005360005A patent/JP4441916B2/ja active Active
• 2006
  • 2006-11-08 CN CN2006800468462A patent/CN101330994B/zh active Active
  • 2006-11-08 WO PCT/JP2006/322261 patent/WO2007069411A1/ja active Application Filing
  • 2006-11-08 KR KR1020087016758A patent/KR101021024B1/ko active IP Right Grant
  • 2006-11-08 US US12/096,427 patent/US7906049B2/en active Active
  • 2006-11-08 EP EP06823165.3A patent/EP1961505B1/en active Active
  • 2006-11-08 ES ES06823165T patent/ES2416714T3/es active Active
  • 2006-11-08 BR BRPI0619860-0A patent/BRPI0619860B1/pt active IP Right Grant
  • 2006-11-08 AU AU2006324794A patent/AU2006324794B2/en not_active Ceased
  • 2006-11-08 EA EA200801335A patent/EA014048B1/ru not_active IP Right Cessation

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